4.6 Article

An Angstrom-level d-spacing controlling synthetic route for MoS2 towards stable intercalation of sodium ions

Journal

JOURNAL OF MATERIALS CHEMISTRY A
Volume 6, Issue 45, Pages 22513-22518

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c8ta09066a

Keywords

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Funding

  1. NRF Korea [NRF-2016R1A2A1A05005216, NRF-2017M3A7B4041987]
  2. NSFC [5151101197, 61725402, 51802157]
  3. Fundamental Research Funds for the Central Universities [30917011202, 30915012205, 30916015106, 30918011106]
  4. Natural Science Foundation of Jiangsu Province of China [BK20180493]
  5. PAPD of Jiangsu Higher Education Institutions

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In this paper, we precisely controlled the d-spacing of vertically aligned MoS2 arrays ranging from 6.2 to 10 angstrom via heating-controlled deintercalation of NH4+ ions. The finely controllable interlayer nanoarchitecture resulted in an optimal d-spacing of 7.3 angstrom, which on nitrogenous reduced graphene oxide (N-RGO) delivered a reversible capacity of 295 mA h g(-1) after 2000 cycles at 1 A g(-1) for Na+ intercalation.

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